The ELK Stack is the combination of Elasticsearch, Logstash, and Kibana that is used specifically in log analytics. Logstash ships log data to Elasticsearch, which indexes the information in a searchable datastore. Kibana then takes the datastore and shows the information in graphical format for log analysis. Logstash is developed by Ruby, Kibana by javascript, Elasticsearch by Java ELK setting in CentOS We can use script to install ELK in